| New Forest, South Hampshire | England: South | 324 | 782.7 | 200 | < 2000 |
| Silwood Park, Berkshire | England: South | 159 | 605.0 | 86 | 1998 - 1999 |
| Richmond Park (total), Surrey | England: South | 253 | 644.3 | 157 | 1950 - 2006 |
| Epping Forest, South Essex | England: South | 252 | 560.3 | 128 | < 1979 |
| Llanover Park, Monmouthshire | Wales | 118 | 330.5 | 37 | < 1996 |
| Ashtead Common (Underground), Surrey | England: South | 28 | 675.0 | 18 | < 2014 |
| Windsor Forest, Berkshire | England: South | 363 | 801.7 | 254 | < 1998 |
| Harewood Forest, North Hampshire | England: South | 64 | 290.6 | 20 | < 1975 |
| Crowcombe Park, South Somerset | England: South-West | 51 | 264.7 | 11 | 1995 - 2010 |
| Richmond Park (1980-2006), Surrey | England: South | 205 | 539.0 | 110 | 1980 - 2006 |
| Dartington Hall Estate, South Devon | England: South-West | 89 | 351.7 | 14 | 2010 - 2017 |
| Haddon Hall, Derbyshire | England: Mid | 28 | 403.6 | 10 | 2018 |
| Dinton Pastures, Berkshire | England: South | 127 | 473.2 | 43 | 2012 - 2020 |
| Clumber Park (NT), Nottinghamshire | England: Mid | 177 | 422.0 | 75 | 1990 - 2023 |
| High Park, Blenheim Palace, Oxfordshire | England: South | 261 | 620.3 | 158 | 1950 - 2021 |
| Ashtead Common NNR, Surrey | England: South | 282 | 635.1 | 161 | < 2023 |
| Burnham Beeches, Buckinghamshire | England: South | 263 | 599.6 | 154 | < 2022 |
| Burnham Beeches (inc. Dorneywood NT and Huntswood Farm), Buckinghamshire | England: South | 284 | 640.1 | 175 | < 2022 |
| Weald Country Park (2010), South Essex | England: South | 44 | 568.2 | 31 | 2010 |
| Weald Country Park (total), South Essex | England: South | 128 | 503.1 | 63 | < 2010 |
Saproxylic Quality Index